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Anti-flaming static electricity conducting organic silicon nano ceramic coating used for coal-mine gas drainage pipeline

A nano-ceramic, coal mine gas technology, applied in conductive coatings, pipeline protection, anti-corrosion coatings, etc., can solve the problems of poor anti-static, flammable, low mechanical strength of protective coatings, etc., to achieve high surface energy, improve corrosion resistance. , Outstanding effect of conducting static electricity

Inactive Publication Date: 2012-08-22
北京中宇科博环保工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to solve the problems of low mechanical strength, poor antistatic and flammability of the protective coating formed on the surface of the gas pipeline by the existing coating, and to provide a flame-retardant and static-conductive organosilicon nano-ceramic coating with high mechanical strength

Method used

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  • Anti-flaming static electricity conducting organic silicon nano ceramic coating used for coal-mine gas drainage pipeline

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] 30 parts of pure silicone resin (purchased from Zhonghao Chenguang Chemical Research Institute), 15 parts of zinc phosphate, 10 parts of silicon carbide (particle diameter, that is, particle size 50-100nm), 25 parts of mica powder, 7 parts of graphite, organic bentonite (Purchased from Liupanshui Shenyuan Mining Co., Ltd.) 2 parts were mixed with 11 parts of solvent xylene, and ground on a sand mill for 2 hours to obtain a flame-retardant and electrostatically conductive coating.

[0031] How to use: Spray the paint on the surface of the pipe, and treat it at 300°C for 2 hours after the surface is dry to form a coating.

Embodiment 2

[0033] Mix 20 parts of pure silicone resin, 13 parts of zinc phosphate, 7 parts of aluminum oxide (particle size 50-300nm), 30 parts of talcum powder, 5 parts of graphite, 1 part of organic bentonite and 24 parts of solvent toluene. Grind on a sand mill for 2.5 hours to obtain a flame retardant and static conductive coating.

[0034] How to use: Spray the paint on the surface of the pipe, and treat it at 350°C for 40 minutes after the surface is dry to form a coating.

Embodiment 3

[0036] 40 parts of pure silicone resin, 10 parts of zinc phosphate, 5 parts of silicon dioxide (particle size 50-300nm), 10 parts of kaolin, 8 parts of conductive carbon black, fumed silica (purchased from Jining Qingyun Chemical Co., Ltd.) 3 1 part is mixed with 24 parts of solvent xylene, and ground on a pin-type sand mill for 2 hours to obtain a flame-retardant and static-conductive coating.

[0037] How to use: Spray the paint on the surface of the pipe, and treat it at 320°C for 70 minutes after the surface is dry to form a coating.

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Abstract

The invention belongs to the technical field of anti-flaming static electricity conducting organic silicon nano ceramic coating, and particularly relates to anti-flaming static electricity conducting organic silicon nano ceramic coating used for a coal-mine gas drainage pipeline and a preparation method of the coating. The coating comprises the following compositions: organic silicone resin, metal oxide, silicate fillers, carbon materials, nano ceramic powders and mixed solvents. The compositions are weighed according to proportion and mixed to be prepared into thick and sticky suspension fluid. According to the anti-flaming static electricity conducting organic silicon nano ceramic coating, two technologies, namely technology of the organic coating and the nano ceramic, are combined together, a paint film is converted into the inorganic type from the organic type at high temperatures, the inorganic coating with good flame retadance, static electricity conduction, temperature resistance and mechanical property is formed on the metal base layer so as to realize the comprehensive protection for a base body. The anti-flaming static electricity conducting organic silicon nano ceramic coating can be widely applied to corrosion resistance of oil pipelines, gas pipelines and chemical equipment.

Description

technical field [0001] The invention belongs to the field of coatings, and in particular relates to a flame-retardant and static-conducting organosilicon nano-ceramic coating for coal mine gas drainage pipelines. Background technique [0002] Gas drainage during drilling and mining in coal production and mining operations plays an important role in mine gas control. At present, gas drainage pipes in coal mines are divided into non-metallic pipes and steel pipes. Non-metallic pipes mainly include glass steel pipes, polyvinyl chloride pipes (PVC), and polyethylene pipes (PE). FRP pipes have disadvantages such as high brittleness and poor impact resistance, while polyvinyl chloride and polyethylene pipes are not strong in pressure and have poor aging resistance. Patent CN 102146178 A discloses a flame-retardant and antistatic polyethylene used in coal mine gas drainage pipelines and its preparation method. It has good flame-retardant and antistatic properties, but there is no...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D5/08C09D5/24C09D7/12F16L58/00
Inventor 张永军秦波涛田麟钧伍建伟
Owner 北京中宇科博环保工程有限公司
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